Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12107129 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2024-10-01 |
| 11810782 | Conductive C-plane GaN substrate | Yutaka Mikawa, Tae Mochizuki, Hideo Namita, Shinichiro Kawabata | 2023-11-07 |
| 11670687 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Tatsuhiro Ohata, Hirotaka Ikeda +2 more | 2023-06-06 |
| 11664428 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2023-05-30 |
| 11591715 | GaN single crystal and method for manufacturing GaN single crystal | Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita, Tae Mochizuki | 2023-02-28 |
| 11404268 | Method for growing GaN crystal and c-plane GaN substrate | Yutaka Mikawa, Tae Mochizuki, Hideo Namita, Shinichiro Kawabata | 2022-08-02 |
| 11162190 | Method for producing nitride crystal and nitride crystal | Yutaka Mikawa, Kazunori Kamada, Hirobumi Nagaoka, Shinichiro Kawabata, Yuji Kagamitani | 2021-11-02 |
| 11038024 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2021-06-15 |
| 11031475 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2021-06-08 |
| 11001940 | GaN single crystal and method for manufacturing GaN single crystal | Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita, Tae Mochizuki | 2021-05-11 |
| 10995421 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Hirotaka Ikeda, Kazunori Kamada, Atsuhiko Kojima | 2021-05-04 |
| 10903072 | Conductive C-plane GaN substrate | Yutaka Mikawa, Tae Mochizuki, Hideo Namita, Shinichiro Kawabata | 2021-01-26 |
| 10796904 | Conductive C-plane GaN substrate | Yutaka Mikawa, Tae Mochizuki, Hideo Namita, Shinichiro Kawabata | 2020-10-06 |
| 10734485 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Tatsuhiro Ohata, Hirotaka Ikeda +2 more | 2020-08-04 |
| 10720326 | Method for growing GaN crystal and C-plane GaN substrate | Yutaka Mikawa, Tae Mochizuki, Hideo Namita, Shinichiro Kawabata | 2020-07-21 |
| 10655244 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Satoru Nagao, Kazunori Kamada, Masayuki Tashiro, Kenji Fujito +3 more | 2020-05-19 |
| 10526726 | Method for producing nitride crystal and nitride crystal | Yutaka Mikawa, Kazunori Kamada, Hirobumi Nagaoka, Shinichiro Kawabata, Yuji Kagamitani | 2020-01-07 |
| 10475887 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2019-11-12 |
| 10309038 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Hirotaka Ikeda, Kazunori Kamada, Atsuhiko Kojima | 2019-06-04 |
| 10301743 | GaN single crystal and method for manufacturing GaN single crystal | Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita, Tae Mochizuki | 2019-05-28 |
| 10066319 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Satoru Nagao, Kazunori Kamada, Masayuki Tashiro, Kenji Fujito +3 more | 2018-09-04 |
| 9890474 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Hirotaka Ikeda, Kazunori Kamada, Atsuhiko Kojima | 2018-02-13 |
| 9673046 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Tatsuhiro Ohata, Hirotaka Ikeda +2 more | 2017-06-06 |
| 9518337 | Method for producing nitride crystal and nitride crystal | Yutaka Mikawa, Kazunori Kamada, Hirobumi Nagaoka, Shinichiro Kawabata, Yuji Kagamitani | 2016-12-13 |
| 9163324 | Method for producing nitride crystal | Yutaka Mikawa, Kazunori Kamada | 2015-10-20 |